This Subcontract opportunity from California was posted on August 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Aboveground Storage Tank (AST) Integrity & Secondary Containment Testing

Closed

State & Local

Submission Closed09/03/2026, 03:00:00 PM PDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 541620

New

DIBBS

Military Grade Packaging and Marking ServicesThis subcontract, titled Military Grade Packaging and Marking Services, is issued by the Department of Defense under the DLA Weapons Support Strategic Acquisition Program Directorate. The project is designated as a Total Small Business Set-Aside under NAICS code 541620. The contractor is responsible for providing specialized packaging and marking for components intended for prime contractors fulfilling DLA supply contracts, ensuring all deliverables are ready for FOB Origin shipment. Technical requirements mandate strict adherence to military standards, specifically MIL-STD-129 for marking, MIL-STD-2073-1E for packaging, and RP001 for palletization. Additionally, the contractor must execute specific cleaning, drying, and preservation protocols as defined by packaging data, including Preservation Method 10 and Cleaning/Drying 1. The solicitation was posted on November 8, 2026, with a response deadline of November 23, 2026.

DLA WEAPONS SUPPORT STRATEGIC ACQ PROGRAM DIRECTORATE

POSTED

DEADLINE

Biological Monitoring for 2026-2027 Maintenance and Wood Pole Projects (WPP), Western Area Power Administration, Desert Southwest Region, PhoenixThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for biological monitoring services to support maintenance and wood pole projects within the Desert Southwest Region of Phoenix. This project, scheduled for the 2026-2027 period, will be performed in Arizona and falls under NAICS code 541620. The opportunity is designated as a small business set-aside. Vernadero Group Incorporated is listed as the incumbent contractor for these services. Interested parties can coordinate with the Small Business Program Managers for further information regarding this upcoming acquisition.

Western Area Power Administration

POSTED

DEADLINE

U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TECHNICAL SUPPORT SERVICESThe National Nuclear Security Administration, an agency of the Department of Energy, is forecasting a requirement for technical support services to benefit the Office of Counterterrorism and Counter-proliferation. This procurement is categorized under NAICS code 541620 and is intended to be set aside for small businesses. The work is expected to be performed in the District of Columbia. The current incumbent contractor for these services is Project Enhancement Corporation. Interested parties may coordinate with the Small Business Program Manager, Chelsea Murphy, regarding this upcoming opportunity.

National Nuclear Security Administration

POSTED

DEADLINE

On-Call Biological Support Services for 2026 Integrated Vegetation Management Work, Western Area Power Administration, Desert Southwest Region, PhoenixThe Western Area Power Administration, under the Department of Energy, is forecasting a requirement for on-call biological support services to assist with 2026 integrated vegetation management work. This project will be centered in the Desert Southwest Region in Phoenix and falls under NAICS code 541620 for environmental consulting services. The current incumbent contractor for these services is Klamath Wildlife Resources. Interested parties can coordinate with the Small Business Program Managers at the agency for further information regarding this upcoming procurement opportunity.

Western Area Power Administration

POSTED

DEADLINE

Radiological Technical Services & Air MonitoringThis SBA set-aside subcontract for the Environmental Protection Agency Region 9 involves providing radiological technical services and air monitoring for environmental remediation projects. The selected provider will support prime contractors by delivering health physics oversight, radiation scanning, and air sampling for particulates. Technical execution requires the use of SKC Particulate Monitors and MultiRAE Pro Pumped equipment, with a mandate for personnel to hold Radiation Technician certifications or be Certified Health Physicists. The scope of work includes the delivery of daily and weekly air monitoring reports to ensure safety and compliance. Interested parties should note that the response deadline is January 5, 2027, and the project falls under NAICS code 541620.

POSTED

DEADLINE

Site Conditions and Geotechnical AnalysisThis subcontract for Site Conditions and Geotechnical Analysis involves performing technical investigations of existing site conditions for prime contractors working on Housing Corporation of East Windsor projects. The selected provider will utilize soil sampling equipment and geotechnical testing tools to evaluate physical and environmental constraints, identifying critical issues that may impact overall project feasibility. These efforts will culminate in the delivery of essential technical input for the Existing Conditions and Constraints Memorandum. Managed by DAS Procurement for the state of Connecticut, the contract requires the provider to hold a Professional Geologist or PE license and maintain Professional Liability insurance. Interested parties must respond by November 14, 2026, regarding this opportunity which falls under NAICS code 541620.

POSTED

DEADLINE

Geotechnical and Materials TestingThis subcontract for Geotechnical and Materials Testing involves providing quality control services for prime contractors working on Kansas Turnpike Authority projects. The scope of work focuses on the testing of soil and asphalt materials, specifically requiring the establishment of maximum density-optimum moisture curves per ASTM D 698, in-place density determinations, concrete compressive strength tests, and sieve analysis for granular subbase. The selected contractor will utilize nuclear density gauges and compression machines to perform these technical evaluations and is responsible for delivering all resulting testing reports and curves. This opportunity falls under NAICS code 541620 and is associated with the state of Kansas.

Kansas Turnpike Authority

POSTED

DEADLINE

Windstorm Risk Assessment & Mitigation ConsultingThis subcontract for Windstorm Risk Assessment and Mitigation Consulting supports prime contractors working on projects for the Housing Authority of the City of Brownsville in Texas. The selected consultant will provide technical windstorm risk analysis, utilizing catastrophe modeling and geospatial risk tools to perform risk modeling for weather-related perils. The scope of work includes evaluating the physical vulnerability of properties and delivering detailed risk assessment reports. The primary objective of these services is to provide data-driven recommendations to improve the insurability of the properties. This opportunity falls under NAICS code 541620 and requires the delivery of specific mitigation strategies to protect assets against windstorm damage. Interested parties must respond by December 17, 2026.

Brownsville Housing Authority

POSTED

DEADLINE

CONSULTING SERVICES - Rural School Septic System Studey

Solicitation # RFP27-31

The Lakehead District School Board is seeking proposals for consulting services to conduct a Rural School Septic System Study. This solicitation, identified as RFP27-31, is open for electronic submissions only. The request for proposals was posted on November 7, 2026, and the deadline for responses is December 10, 2026, at 7:00 PM. The resulting work will be performed within Canada.

Lakehead District School Board

POSTED

DEADLINE

Groundwater Data Processing and Hydrogeological ModelingThis subcontract for Groundwater Data Processing and Hydrogeological Modeling supports UNICEF projects in Vanuatu by providing specialized geophysical data analysis. The selected contractor will be responsible for inverting raw TEM data to create inversion outputs, interpretive sections, and maps. By integrating these results with topography, geology, borehole records, and water quality data, the contractor will rank borehole investigation targets and deliver comprehensive technical groundwater assessment reports and site maps. To qualify for this engagement, the contractor must possess professional credentials as a hydrogeologist or geophysicist and have access to necessary GIS software. The work falls under NAICS code 541620 and focuses on delivering critical data processing and modeling services to assist prime contractors in identifying viable groundwater sources within the region.

POSTED

DEADLINE

Certified Industrial Hygienist (CIH) Reporting ServicesThis subcontract for Certified Industrial Hygienist (CIH) Reporting Services involves providing professional analysis of laboratory data for prime contractors working on California Department of General Services facility projects. The selected provider will analyze results to establish risk thresholds and author 100 signed final survey reports delivered in a room-by-room format including professional recommendations. To qualify for this engagement, the provider must hold Certified Industrial Hygienist (CIH) certification and maintain AIHA Competent Professional status. The solicitation was posted on November 6, 2026, with a response deadline of November 23, 2026, falling under NAICS code 541620.

California Department of General Services

POSTED

DEADLINE

Legionella Water Sample Collection ServicesThis subcontract for Legionella Water Sample Collection Services involves performing on-site water sample collection for prime contractors working on California Department of General Services facility projects. The scope of work includes conducting routine and investigative sampling of both domestic and non-potable water systems, specifically focusing on pre and post flush sampling and the measurement of residual disinfectant, temperature, and pH levels. The selected provider must manage the Chain of Custody and ensure all activities adhere to the AIHA Technical Framework: Legionella 2020 standards. Responsibilities include the delivery of collected samples accompanied by completed Chain of Custody forms. This opportunity falls under NAICS code 541620, with a response deadline of November 23, 2026.

California Department of General Services

POSTED

2 days ago

DEADLINE

in 15 days

AI Contract Overview

The contract requires comprehensive structural integrity assessments, secondary containment inspections, and overfill prevention system testing for aboveground storage tanks at Omnitrans facilities, ensuring compliance with SB 989 and applicable fire code regulations. All work must be performed to verify tank safety and environmental protection standards, with scope focused on preventing spills and maintaining regulatory adherence across all designated sites. The procurement is structured as a subcontract under NAICS code 541620, indicating specialized engineering or technical services related to environmental and structural evaluation. The solicitation was posted on August 3, 2026, and responses are due by September 3, 2026, at 10:00 PM. The contract is managed by the Procurement Department of OmniTrans in California, with no specific location details provided for performance, implying work may occur at multiple Omnitrans facilities within the state. There is no set-aside designation indicated, and while the point of contact is not listed, bidders must submit proposals through the provided online portal link by the deadline to be considered.

General Info

Structural assessments, containment inspections, and overfill testing for Omnitrans tanks to comply with SB 989 and fire codes.

Agency

California → Procurement Department of OmniTrans

NAICS

541620 - Environmental Consulting Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of RFQ-MNT27-07.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Storage Tank Testing and Repairs

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedAug 3

subcontract

Response DeadlineSep 3

Deadline has passed

Submission Closed

09/03/2026, 03:00:00 PM PDT

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyCalifornia → Procurement Department of OmniTrans

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Procurement Department of OmniTrans

Office AddressN/A

ContactsNo contact information available

Full Description

Conduct structural integrity assessments, secondary containment inspections, and overfill prevention system testing for ASTs at Omnitrans facilities per SB 989 and fire code requirements.